Robert Stone may refer to:
- Rob Stone (entrepreneur) (born 1968), New York-based executive
- Robert Stone (attorney) (1866–1957), Speaker of the Kansas House of Representatives, 1915
- Robert Stone (novelist) (1937–2015), American author, journalist
- Robert Stone (composer) (1516–1614), English composer
- Robert Stone (director), Oscar-nominated documentary director for Radio Bikini
- Robert Stone (rugby league) (1956–2005), Australian player for St. George Dragons
- Robert Stone (silversmith) (1903–1990), English silversmith
- Robert Stone (architect) (born 1968), American architect based in Southern California
- Robert Stone (scientist) (1922–2016), professor, doctor, past National Institutes of Health director
- Robert Stone (trail guide writer) (born 1951), writer of hiking books
- Robert Stone (wrestler) (born 1983), American professional wrestler
- Robert L. Stone (1922–2009), chief executive of The Hertz Corporation
- Rob Stone (sportscaster), sports commentator
- Rob Stone (actor) (born 1962), American actor and director
- Rob Stone (rapper) (born 1995), American rapper
- Robert Stone (cricketer) (1749–1820), English amateur cricketer
- Robert Granville Stone (1907–2002), American philatelic scholar
- Robert King Stone (1822–1872), doctor who served U.S. President Abraham Lincoln during the American Civil War
- Robert Stone (athlete) (born 1965), Australian former sprinter
- Robert Stone (basketball) (born 1987), Australian basketball player
- Robert Stone (British Army officer) (1890–1974)
- Robert Spencer Stone (1895–1966), Canadian American pioneer in radiology, radiation therapy and radiation protection